[Boost-commit] svn:boost r68262 - trunk/boost/proto

Subject: [Boost-commit] svn:boost r68262 - trunk/boost/proto
From: eric_at_[hidden]
Date: 2011-01-18 21:08:44

Author: eric_niebler
Date: 2011-01-18 21:08:41 EST (Tue, 18 Jan 2011)
New Revision: 68262
URL: http://svn.boost.org/trac/boost/changeset/68262

Log:
disable fusions comparison operators
Text files modified: 
   trunk/boost/proto/fusion.hpp |    34 ++++++++++++++++++++++++++++++++++      
   1 files changed, 34 insertions(+), 0 deletions(-)

Modified: trunk/boost/proto/fusion.hpp
==============================================================================
--- trunk/boost/proto/fusion.hpp	(original)
+++ trunk/boost/proto/fusion.hpp	2011-01-18 21:08:41 EST (Tue, 18 Jan 2011)
@@ -11,8 +11,10 @@
 
 #include <boost/config.hpp>
 #include <boost/mpl/if.hpp>
+#include <boost/mpl/bool.hpp>
 #include <boost/mpl/long.hpp>
 #include <boost/mpl/sequence_tag_fwd.hpp>
+#include <boost/utility/enable_if.hpp>
 #include <boost/fusion/include/is_view.hpp>
 #include <boost/fusion/include/tag_of_fwd.hpp>
 #include <boost/fusion/include/category_of.hpp>
@@ -23,6 +25,7 @@
 #include <boost/fusion/support/ext_/is_segmented.hpp>
 #include <boost/fusion/sequence/intrinsic/ext_/segments.hpp>
 #include <boost/fusion/sequence/intrinsic/ext_/size_s.hpp>
+#include <boost/fusion/sequence/comparison/enable_comparison.hpp>
 #include <boost/fusion/view/ext_/segmented_iterator.hpp>
 #include <boost/proto/proto_fwd.hpp>
 #include <boost/proto/traits.hpp>
@@ -636,6 +639,37 @@
 
     }
 
+    namespace traits
+    {
+        template<typename Seq1, typename Seq2>
+        struct enable_equality<
+            Seq1
+          , Seq2
+          , typename enable_if_c<
+                mpl::or_<
+                    proto::is_expr<Seq1>
+                  , proto::is_expr<Seq2>
+                >::value
+            >::type
+        >
+            : mpl::false_
+        {};
+
+        template<typename Seq1, typename Seq2>
+        struct enable_comparison<
+            Seq1
+          , Seq2
+          , typename enable_if_c<
+                mpl::or_<
+                    proto::is_expr<Seq1>
+                  , proto::is_expr<Seq2>
+                >::value
+            >::type
+        >
+          : mpl::false_
+        {};
+    }
+
 }}
 
 namespace boost { namespace mpl